(19)
(11) EP 3 255 584 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.04.2018 Bulletin 2018/16

(43) Date of publication A2:
13.12.2017 Bulletin 2017/50

(21) Application number: 17174665.4

(22) Date of filing: 07.06.2017
(51) International Patent Classification (IPC): 
G06K 9/00(2006.01)
G06F 3/044(2006.01)
C03C 17/23(2006.01)
 C03C 15/00(2006.01)
C03C 17/02(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 10.06.2016 KR 20160072262

(71) Applicant: Samsung Display Co., Ltd.
Gyeonggi-do 17113 (KR)

(72) Inventors:
  • Park, Jeongwoo
    101-1404 Yongin-si, Gyeonggi-do (KR)
  • Kim, Mingu
    90 Secho-gu, Seoul (KR)
  • Cho, Woojin
    2103-1802 Yongin-si, Gyeonggi-do (KR)
  • Kim, Seungho
    602-1204 Asan-si, Chungcheongnam-do (KR)
  • Baek, Jongin
    1227-1502 Hwaseong-si, Gyeonggi-do (KR)
  • Shin, Heekyun
    203-1004 Bupyeong-gu, Incheon (KR)
  • Oh, Hyunjoon
    602-3001 Seongnam-si, Gyeonggi-do (KR)
  • Cheon, Junhyunk
    113-509 Mapo-gu, Seoul (KR)

(74) Representative: Dr. Weitzel & Partner 
Patent- und Rechtsanwälte mbB Friedenstrasse 10
89522 Heidenheim
89522 Heidenheim (DE)

   


(54) DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF


(57) A display device includes a display panel, a fingerprint recognition sensor on the display panel, and a cover glass on the fingerprint recognition sensor. The cover glass is defined with at least one groove on a surface that faces the display panel.







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